Home / 37,808.67-52,177.14-20,811.99

Finding the Fourth Proportional to 37,808.67, 52,177.14 and 20,811.99

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Solution

The fourth proportional to 37,808.67, 52,177.14 and 20,811.99 is: 28,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,808.67 : 52,177.14 = 20,811.99 : x
  2. Step 2: Convert to fraction form
    37,808.67/52,177.14 = 20,811.99/x
  3. Step 3: Cross multiply
    37,808.67x = 52,177.14 × 20,811.99
  4. Step 4: Simplify right side
    37,808.67x = 1,085,910,115.91
  5. Step 5: Solve for x
    x = 1,085,910,115.91/37,808.67
  6. Step 6: Final answer
    x = 28,721.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.